kadmin/kadmind.c

   1 /*
   2  * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "kadmin_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 static char *config_file;
  44 static char *keyfile;
  45 static char *keytab_str;
  46 static int help_flag;
  47 static int version_flag;
  48 static int debug_flag;
  49 static int debug_port;
  50 char *realm;
  51
  52 static struct getargs args[] = {
  53     {
  54         "config-file",  'c',    arg_string,     &config_file,
  55         "location of config file",      "file"
  56     },
  57     {
  58         "key-file",     'k',    arg_string, &keyfile,
  59         "location of master key file", "file"
  60     },
  61     {
  62         "keytab",       0,      arg_string, &keytab_str,
  63         "what keytab to use", "keytab"
  64     },
  65     {   "realm",        'r',    arg_string,   &realm,
  66         "realm to use", "realm"
  67     },
  68     {   "debug",        'd',    arg_flag,   &debug_flag,
  69         "enable debugging"
  70     },
  71     {   "debug-port",   'p',    arg_integer,&debug_port,
  72         "port to use with debug", "port" },
  73     {   "help",         'h',    arg_flag,   &help_flag },
  74     {   "version",      'v',    arg_flag,   &version_flag }
  75 };
  76
  77 static int num_args = sizeof(args) / sizeof(args[0]);
  78
  79 krb5_context context;
  80
  81 static void
  82 usage(int ret)
  83 {
  84     arg_printusage (args, num_args, NULL, "");
  85     exit (ret);
  86 }
  87
  88 krb5_error_code
  89 kadmind_loop (krb5_context, krb5_auth_context, krb5_keytab, int);
  90
  91 int
  92 main(int argc, char **argv)
  93 {
  94     krb5_error_code ret;
  95     krb5_config_section *cf;
  96     int optind = 0;
  97     int e;
  98     krb5_log_facility *logf;
  99     krb5_keytab keytab;
 100
 101     set_progname(argv[0]);
 102
 103     krb5_init_context(&context);
 104
 105     ret = krb5_openlog(context, "kadmind", &logf);
 106     ret = krb5_set_warn_dest(context, logf);
 107
 108     while((e = getarg(args, num_args, argc, argv, &optind)))
 109         warnx("error at argument `%s'", argv[optind]);
 110
 111     if (help_flag)
 112         usage (0);
 113
 114     if (version_flag) {
 115         print_version(NULL);
 116         exit(0);
 117     }
 118
 119     argc -= optind;
 120     argv += optind;
 121
 122     if (config_file == NULL)
 123         config_file = HDB_DB_DIR "/kdc.conf";
 124
 125     if(krb5_config_parse_file(config_file, &cf) == 0) {
 126         const char *p = krb5_config_get_string (context, cf,
 127                                                 "kdc", "key-file", NULL);
 128         if (p)
 129             keyfile = strdup(p);
 130     }
 131
 132     if(keytab_str == NULL)
 133         keytab = NULL;
 134     else {
 135         ret = krb5_kt_resolve(context, keytab_str, &keytab);
 136         if(ret)
 137             krb5_err(context, 1, ret, "krb5_kt_resolve");
 138     }
 139
 140     {
 141         int fd = 0;
 142         krb5_auth_context ac = NULL;
 143         if(debug_flag){
 144             if(debug_port == 0)
 145                 debug_port = krb5_getportbyname (context, "kerberos-adm",
 146                                                  "tcp", 749);
 147             else
 148                 debug_port = htons(debug_port);
 149             mini_inetd(debug_port);
 150         }
 151         if(realm)
 152             krb5_set_default_realm(context, realm); /* XXX */
 153         kadmind_loop(context, ac, keytab, fd);
 154     }
 155     return 0;
 156 }